The most compelling element is the "Lonely Waluigi" ending. In several iterations, if the player collects all 120 stars, they do not fight Bowser. Instead, they find a lonely, glitched version of Mario sitting on the castle roof. Mario says nothing. He simply stands up, waves, and falls through the floor, disappearing forever. The final screen is Waluigi, alone on the rooftop, looking out at a starless void. No congratulations. No fireworks. Just the quiet, horrifying realization that winning means erasing the only world that ever mattered.
The demand for a Super Waluigi 64 ROM hack stems from a larger cultural phenomenon: Introduced in Mario Tennis (2000) as Wario’s doubles partner, Waluigi has been a playable character in almost every Mario sports and party game—but never in a mainline platformer. Super Waluigi 64 Rom
Downloading a pre-patched "Super Waluigi 64 Rom" from a public ROM site. This is piracy, and Nintendo is famously aggressive about issuing DMCA takedowns for these files. The most compelling element is the "Lonely Waluigi" ending